Home / 31,449.75-43,400.66-17,303.10

Finding the Fourth Proportional to 31,449.75, 43,400.66 and 17,303.10

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Solution

The fourth proportional to 31,449.75, 43,400.66 and 17,303.10 is: 23,878.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,449.75 : 43,400.66 = 17,303.10 : x
  2. Step 2: Convert to fraction form
    31,449.75/43,400.66 = 17,303.10/x
  3. Step 3: Cross multiply
    31,449.75x = 43,400.66 × 17,303.10
  4. Step 4: Simplify right side
    31,449.75x = 750,965,873.53
  5. Step 5: Solve for x
    x = 750,965,873.53/31,449.75
  6. Step 6: Final answer
    x = 23,878.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.